CN107978808A - The vehicle lithium battery group reminded based on online failure - Google Patents
The vehicle lithium battery group reminded based on online failure Download PDFInfo
- Publication number
- CN107978808A CN107978808A CN201711272152.7A CN201711272152A CN107978808A CN 107978808 A CN107978808 A CN 107978808A CN 201711272152 A CN201711272152 A CN 201711272152A CN 107978808 A CN107978808 A CN 107978808A
- Authority
- CN
- China
- Prior art keywords
- control mechanism
- circuit
- voltage
- lithium battery
- resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/549—Current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to lithium battery manufacturing technology field, it is specifically a kind of low in energy consumption, the vehicle lithium battery group reminded based on online failure of reliable operation, equipped with lithium battery group and lithium battery group control mechanism, it is characterized in that the lithium battery group control mechanism includes the battery pack control mechanism in lithium battery group housing, positioned at local control mechanism and the remote-control mechanism of vehicle cab, wherein local control mechanism establishes data connection with battery pack control mechanism through CAN bus, local control mechanism establishes data connection with remote-control mechanism through wire communication circuit or wireless communication module；Compared with prior art, the present invention there is low energy consumption, working stability, can effectively to extend battery pack service life etc. notable.
Description
Technical field：
It is specifically a kind of low in energy consumption, reliable operation based on online the present invention relates to lithium battery manufacturing technology field
The vehicle lithium battery group that failure is reminded.
Background technology：
As the development of social economy, the raising of mankind's energy conservation and environmental awareness, electric automobile are more next as new-energy automobile
More become the direction of future automobile development.Wherein, the energy-storage system of electric automobile, such as battery are the crucial portions of electric automobile
Part.And the charging interval of the battery of current electric automobile is usually all long, the mileage of driving is relatively short, this becomes system
The about principal element of electric automobile popularization.In addition, lithium battery group is big by such environmental effects during the work time, according to the study
Show, when temperature residing for lithium battery group it is too low or it is excessive can all cause lithium battery group work efficiency drop, cause electrical vehicular power
Deficiency；And the requirement in lithium battery group charge and discharge process for Current Voltage is also higher, overcurrent or overvoltage can cause lithium battery
Group damage；Either battery pack or battery pack, (such as use when being shaken be subject to from outside when drop test or use
The electronic device of these battery packs or battery pack jolted when) when, be intended to the lug position that battery pack is avoided that single battery
Move (especially along single battery arrangement form assembly length direction) because the lug displacement of single battery, even becoming
Shape can cause the reliability of the electrical connection of single battery and service life to reduce.Based on the above problem, vehicle lithium battery group must
Management system must be equipped with, for being monitored and reminded to the working status of lithium battery group.
The content of the invention：
The present invention be directed to shortcoming and defect existing in the prior art, it is proposed that it is a kind of it is low in energy consumption, reliable operation based on
The vehicle lithium battery group that online failure is reminded.
The present invention is reached by following measures：
A kind of vehicle lithium battery group reminded based on online failure, equipped with lithium battery group and lithium battery group control mechanism,
It is characterized in that the lithium battery group control mechanism includes battery pack control mechanism in the lithium battery group housing, positioned at vehicle
Local control mechanism and the remote-control mechanism of driver's cabin, wherein local control mechanism and battery pack control mechanism are total through CAN
Line establishes data connection, and local control mechanism establishes data with remote-control mechanism through wire communication circuit or wireless communication module
Connection；Temperature sensing circuit, the electric current that the battery pack control mechanism is equipped with microcontroller and is connected respectively with microcontroller are adopted
Collector, voltage collection circuit, telecommunication circuit, wherein the current collection circuit includes and single battery quantity one in battery pack
The single battery current collection circuit for causing and connecting one to one respectively with single battery, the voltage collection circuit include and electricity
Single battery quantity is consistent in the group of pond and the monomer battery voltage Acquisition Circuit that connects one to one respectively with single battery；It is described
Battery pack control mechanism is additionally provided with low-power consumption wake-up circuit, and the low-power consumption wake-up circuit is connected with microcontroller, including PMOS
Pipe P1, diode D1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, the wherein source electrode of PMOS transistor P1 and drain electrode
Between anti-parallel diodes D1, the grid of PMOS tube P1 connects one end of resistance R1 and one end of resistance R2, resistance R1 at the same time
The other end and the source electrode of PMOS tube P1 connect power supply VCC at the same time, the other end access low imput of resistance R1, PMOS
One end of the drain electrode connection resistance R3 of pipe P1, the other end of resistance R3 connect one end of resistance R4 and one end of resistance R5 at the same time,
The other end of resistance R5 is grounded as wake-up signal output terminal, the other end of resistance R4.
It is of the present invention local control mechanism in be equipped with microprocessor, the SOC evaluation units in microprocessor, with it is micro-
A/D conversion circuits that processor is connected, the lithium battery group main line current detection circuit being connected with A/D conversion circuits, with it is micro-
CAN serial ports that processor is connected, the warning circuit being connected with microprocessor, the equilibrium state that is connected with microprocessor are shown
The equilibrium state control circuit for show circuit, being connected with microprocessor, the single battery quantity detection being connected with microprocessor
Circuit；The single battery amount detection circuit includes with lithium battery group being connected and being used to voltage in lithium battery group being higher than micro- place
The node voltage value of operating voltage is reduced to voltage gain module in microprocessor work voltage range, for by electricity in reason device
Multiple voltages to be detected of pressure gain module output make choice and input multiple voltage timesharing to be detected to microprocessor
Voltage multi-path choice module, carry out for highest node voltage in the magnitude of voltage and battery pack that are inputted to voltage multi-path choice module
The voltage comparison module compared, the battery for judging single battery number in battery pack according to voltage comparison module output result
Number judgment module.
The equalizing circuit being connected with microcontroller, the equalizing circuit are additionally provided with battery pack control mechanism of the present invention
Equipped with the relay being connected with microcontroller, the other end of relay respectively with the transistor base phase in two groups of transistor circuits
Even, every group of transistor circuit is formed using two triodes in parallel, and electric discharge is connected in the base stage of two triodes in parallel
Resistance, the emitter of two triodes in parallel is in parallel and is connected with the anode of the single battery in lithium battery group, and two simultaneously
The collector of connection triode is connected with the cathode of single battery in lithium battery group, and the triode uses NPN type.
More than two-way identical voltage gain module is equipped with single battery amount detection circuit of the present invention, for obtaining
Obtain multiple node voltage values in lithium battery group.
Voltage detecting circuit is equipped with operational amplifier, the output of operational amplifier in battery pack control mechanism of the present invention
End is connected with linear optical coupling, and the feedback end of linear optical coupling is connected with operational amplifier, the output terminal and voltage of linear optical coupling
Follower circuit line connects, and completes the voltage isolation detection to single battery in lithium battery group.The present invention during work,
Battery pack control mechanism in lithium battery group monitors and gathers the voltage of lithium battery group, current data, and lithium battery group
Local environment temperature data, and the data gathered are uploaded to local control mechanism, the local control mechanism can be in electricity
Pond group control mechanism is waken up when uploading valid data, remaining time in a dormant state, so as to reduce the energy consumption of whole system,
Microprocessor, the SOC evaluation units in microprocessor, the A/D being connected with microprocessor are equipped with local control mechanism
Conversion circuit, lithium battery group main line current detection circuit, the CAN being connected with microprocessor being connected with A/D conversion circuits
Serial ports, the warning circuit being connected with microprocessor, the equilibrium state display circuit and microprocessor being connected with microprocessor
The equilibrium state control circuit being connected, the single battery amount detection circuit being connected with microprocessor；During work, according to connecing
The data of receipts complete SOC estimations, and assign Balance route order to sub-controller according to estimation result；In battery pack control mechanism
Equilibrium treatment is carried out to corresponding single battery by equalizing circuit or give the correct time in failure problems, local control mechanism passes through
Equilibrium state display circuit indicates quantity and the position of the current single battery for carrying out equilibrium treatment；Local control mechanism with it is remote
Process control mechanism establishes data communication through wireless communication module, so as to complete the online prompting of failure.
Compared with prior art, the present invention there is low energy consumption, working stability, can effectively extend battery pack service life etc.
The advantages of notable.
Brief description of the drawings：
Attached drawing 1 is the structure diagram of the present invention.
Attached drawing 2 is the circuit diagram of low-power consumption wake-up circuit in the present invention.
Attached drawing 3 is the structure diagram of battery pack control mechanism in the present invention.
Reference numeral：Lithium battery group 1, battery pack control mechanism 2, local control mechanism 3, remote-control mechanism 4, microcontroller
5th, temperature sensing circuit 6, current collection circuit 7, voltage collection circuit 8, telecommunication circuit 9, low-power consumption wake-up circuit 10.
Embodiment：
The present invention is further illustrated below in conjunction with the accompanying drawings.
As shown in drawings, the present invention proposes a kind of vehicle lithium battery group reminded based on online failure, equipped with lithium battery
Group 1 and lithium battery group control mechanism, it is characterised in that the lithium battery group control mechanism is included in lithium battery group housing
Battery pack control mechanism 2, local control mechanism 3 and remote-control mechanism 4 positioned at vehicle cab, wherein local control
Mechanism 2 establishes data connection with battery pack control mechanism 2 through CAN bus, and local control mechanism 3 is with remote-control mechanism 4 through having
Line telecommunication circuit or wireless communication module establish data connection；The battery pack control mechanism 2 be equipped with microcontroller 5 and respectively with
Temperature sensing circuit 6 that microcontroller 5 is connected, current collection circuit 7, voltage collection circuit 8, telecommunication circuit 9, wherein the electricity
Flowing Acquisition Circuit includes monomer consistent and connecting one to one respectively with single battery with single battery quantity in battery pack electricity
Pond current collection circuit, the voltage collection circuit include with single battery quantity in battery pack it is consistent and respectively with single battery
The monomer battery voltage Acquisition Circuit to connect one to one；The battery pack control mechanism is additionally provided with low-power consumption wake-up circuit 10,
The low-power consumption wake-up circuit is connected with microcontroller, including PMOS tube P1, diode D1, resistance R1, resistance R2, resistance R3,
Resistance R4, resistance R5, anti-parallel diodes D1 wherein between the source electrode of PMOS transistor P1 and drain electrode, the grid of PMOS tube P1
One end of resistance R1 and one end of resistance R2 are connected at the same time, the other end of resistance R1 and the source electrode of PMOS tube P1 connect power supply at the same time
The other end access low imput of VCC, resistance R1, one end of the drain electrode connection resistance R3 of PMOS tube P1, resistance R3's
The other end connects one end of resistance R4 and one end of resistance R5 at the same time, and the other end of resistance R5 is as wake-up signal output terminal, electricity
Hinder the other end ground connection of R4.
It is of the present invention local control mechanism in be equipped with microprocessor, the SOC evaluation units in microprocessor, with it is micro-
A/D conversion circuits that processor is connected, the lithium battery group main line current detection circuit being connected with A/D conversion circuits, with it is micro-
CAN serial ports that processor is connected, the warning circuit being connected with microprocessor, the equilibrium state that is connected with microprocessor are shown
The equilibrium state control circuit for show circuit, being connected with microprocessor, the single battery quantity detection being connected with microprocessor
Circuit；The single battery amount detection circuit includes with lithium battery group being connected and being used to voltage in lithium battery group being higher than micro- place
The node voltage value of operating voltage is reduced to voltage gain module in microprocessor work voltage range, for by electricity in reason device
Multiple voltages to be detected of pressure gain module output make choice and input multiple voltage timesharing to be detected to microprocessor
Voltage multi-path choice module, carry out for highest node voltage in the magnitude of voltage and battery pack that are inputted to voltage multi-path choice module
The voltage comparison module compared, the battery for judging single battery number in battery pack according to voltage comparison module output result
Number judgment module.
The equalizing circuit being connected with microcontroller, the equalizing circuit are additionally provided with battery pack control mechanism of the present invention
Equipped with the relay being connected with microcontroller, the other end of relay respectively with the transistor base phase in two groups of transistor circuits
Even, every group of transistor circuit is formed using two triodes in parallel, and electric discharge is connected in the base stage of two triodes in parallel
Resistance, the emitter of two triodes in parallel is in parallel and is connected with the anode of the single battery in lithium battery group, and two simultaneously
The collector of connection triode is connected with the cathode of single battery in lithium battery group, and the triode uses NPN type.
More than two-way identical voltage gain module is equipped with single battery amount detection circuit of the present invention, for obtaining
Obtain multiple node voltage values in lithium battery group.
Voltage detecting circuit is equipped with operational amplifier, the output of operational amplifier in battery pack control mechanism of the present invention
End is connected with linear optical coupling, and the feedback end of linear optical coupling is connected with operational amplifier, the output terminal and voltage of linear optical coupling
Follower circuit line connects, and completes the voltage isolation detection to single battery in lithium battery group.The present invention during work,
Battery pack control mechanism in lithium battery group monitors and gathers the voltage of lithium battery group, current data, and lithium battery group
Local environment temperature data, and the data gathered are uploaded to local control mechanism, the local control mechanism can be in electricity
Pond group control mechanism is waken up when uploading valid data, remaining time in a dormant state, so as to reduce the energy consumption of whole system,
Microprocessor, the SOC evaluation units in microprocessor, the A/D being connected with microprocessor are equipped with local control mechanism
Conversion circuit, lithium battery group main line current detection circuit, the CAN being connected with microprocessor being connected with A/D conversion circuits
Serial ports, the warning circuit being connected with microprocessor, the equilibrium state display circuit and microprocessor being connected with microprocessor
The equilibrium state control circuit being connected, the single battery amount detection circuit being connected with microprocessor；During work, according to connecing
The data of receipts complete SOC estimations, and assign Balance route order to sub-controller according to estimation result；In battery pack control mechanism
Equilibrium treatment is carried out to corresponding single battery by equalizing circuit or give the correct time in failure problems, local control mechanism passes through
Equilibrium state display circuit indicates quantity and the position of the current single battery for carrying out equilibrium treatment；Local control mechanism with it is remote
Process control mechanism establishes data communication through wireless communication module, so as to complete the online prompting of failure.
Compared with prior art, the present invention there is low energy consumption, working stability, can effectively extend battery pack service life etc.
The advantages of notable.
Claims (5)
1. a kind of vehicle lithium battery group reminded based on online failure, equipped with lithium battery group and lithium battery group control mechanism, its
Being characterized in that the lithium battery group control mechanism includes the battery pack control mechanism in lithium battery group housing, is driven positioned at vehicle
Local control mechanism and the remote-control mechanism of room is sailed, wherein local control mechanism and battery pack control mechanism are through CAN bus
Data connection is established, local control mechanism is established data through wire communication circuit or wireless communication module with remote-control mechanism and connected
Connect；The battery pack control mechanism is equipped with microcontroller and the temperature sensing circuit, the current acquisition that are connected respectively with microcontroller
Circuit, voltage collection circuit, telecommunication circuit, wherein the current collection circuit is including consistent with single battery quantity in battery pack
And the single battery current collection circuit to connect one to one respectively with single battery, the voltage collection circuit includes and battery
Single battery quantity is consistent in group and the monomer battery voltage Acquisition Circuit that connects one to one respectively with single battery；The electricity
Pond group control mechanism is additionally provided with low-power consumption wake-up circuit, and the low-power consumption wake-up circuit is connected with microcontroller, including PMOS tube
P1, diode D1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, the wherein source electrode of PMOS transistor P1 and drain electrode
Between anti-parallel diodes D1, the grid of PMOS tube P1 connects one end of resistance R1 and one end of resistance R2 at the same time, resistance R1's
The source electrode of the other end and PMOS tube P1 connect the other end access low imput of power supply VCC, resistance R1, PMOS tube at the same time
One end of the drain electrode connection resistance R3 of P1, the other end of resistance R3 connect one end of resistance R4 and one end of resistance R5 at the same time, electricity
The other end for hindering R5 is grounded as wake-up signal output terminal, the other end of resistance R4.
A kind of 2. vehicle lithium battery group reminded based on online failure according to claim 1, it is characterised in that local control
Microprocessor, the SOC evaluation units in microprocessor, the A/D conversion electricity being connected with microprocessor are equipped with mechanism processed
Road, the lithium battery group main line current detection circuit being connected with A/D conversion circuits, the CAN serial ports being connected with microprocessor, with
Warning circuit that microprocessor is connected, the equilibrium state display circuit being connected with microprocessor, be connected with microprocessor
Equilibrium state control circuit, the single battery amount detection circuit that is connected with microprocessor；The single battery quantity inspection
Slowdown monitoring circuit includes being connected and being used for the node electricity that voltage in lithium battery group is higher than to operating voltage in microprocessor with lithium battery group
Voltage gain module that pressure value is reduced in microprocessor work voltage range, multiple treat for export voltage gain module
Detection voltage make choice and input multiple voltage timesharing to be detected to the voltage multi-path choice module of microprocessor, for pair
Voltage comparison module of the magnitude of voltage compared with highest node voltage in battery pack of voltage multi-path choice module input, be used for
The number of battery cells judgment module of single battery number in battery pack is judged according to voltage comparison module output result.
A kind of 3. vehicle lithium battery group reminded based on online failure according to claim 1, it is characterised in that the electricity
The equalizing circuit being connected with microcontroller is additionally provided with the group control mechanism of pond, the equalizing circuit is equipped with what is be connected with microcontroller
Relay, the other end of relay are connected with the transistor base in two groups of transistor circuits respectively, and every group of transistor circuit is equal
Formed using two triodes in parallel, discharge resistance, two three poles in parallel are connected in the base stage of two triodes in parallel
The emitter of pipe is in parallel and is connected with the anode of the single battery in lithium battery group, the collector and lithium of two triodes in parallel
The cathode of single battery is connected in battery pack, and the triode uses NPN type.
A kind of 4. vehicle lithium battery group reminded based on online failure according to claim 1, it is characterised in that the list
More than two-way identical voltage gain module is equipped with body number of batteries detection circuit, for obtaining multiple nodes in lithium battery group
Magnitude of voltage.
A kind of 5. vehicle lithium battery group reminded based on online failure according to claim 1, it is characterised in that the electricity
Voltage detecting circuit is equipped with operational amplifier in the group control mechanism of pond, and the output terminal of operational amplifier is connected with linear optical coupling,
The feedback end of linear optical coupling is connected with operational amplifier, and the output terminal of linear optical coupling is connected with voltage follower circuit line, complete
The voltage isolation detection of single battery in paired lithium battery group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711272152.7A CN107978808A (en) | 2017-12-06 | 2017-12-06 | The vehicle lithium battery group reminded based on online failure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711272152.7A CN107978808A (en) | 2017-12-06 | 2017-12-06 | The vehicle lithium battery group reminded based on online failure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107978808A true CN107978808A (en) | 2018-05-01 |
Family
ID=62009067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711272152.7A Pending CN107978808A (en) | 2017-12-06 | 2017-12-06 | The vehicle lithium battery group reminded based on online failure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107978808A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327681A (en) * | 2020-10-14 | 2021-02-05 | 北京三快在线科技有限公司 | Power supply control device, fault positioning method, device, medium, and unmanned device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030129459A1 (en) * | 2000-10-13 | 2003-07-10 | Ovshinsky Stanford R. | Very low emission hybrid electric vehicle incorporating an integrated propulsion system including a fuel cell and a high power nickel metal hydride battery pack |
| CN202749477U (en) * | 2012-06-21 | 2013-02-20 | 宁波波导软件有限公司 | Battery with functions of remote monitoring and controlling for traffic tool |
| CN203812997U (en) * | 2014-04-30 | 2014-09-03 | 国网浙江省电力公司温州供电公司 | Accumulator remote maintenance system |
| CN105375583A (en) * | 2015-12-09 | 2016-03-02 | 合肥国盛电池科技有限公司 | Management system and method of power lithium battery pack |
| CN105843314A (en) * | 2016-03-24 | 2016-08-10 | 航天科技控股集团股份有限公司 | Low-power low level awaken circuit |
-
2017
- 2017-12-06 CN CN201711272152.7A patent/CN107978808A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030129459A1 (en) * | 2000-10-13 | 2003-07-10 | Ovshinsky Stanford R. | Very low emission hybrid electric vehicle incorporating an integrated propulsion system including a fuel cell and a high power nickel metal hydride battery pack |
| CN202749477U (en) * | 2012-06-21 | 2013-02-20 | 宁波波导软件有限公司 | Battery with functions of remote monitoring and controlling for traffic tool |
| CN203812997U (en) * | 2014-04-30 | 2014-09-03 | 国网浙江省电力公司温州供电公司 | Accumulator remote maintenance system |
| CN105375583A (en) * | 2015-12-09 | 2016-03-02 | 合肥国盛电池科技有限公司 | Management system and method of power lithium battery pack |
| CN105843314A (en) * | 2016-03-24 | 2016-08-10 | 航天科技控股集团股份有限公司 | Low-power low level awaken circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327681A (en) * | 2020-10-14 | 2021-02-05 | 北京三快在线科技有限公司 | Power supply control device, fault positioning method, device, medium, and unmanned device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104007391A (en) | Temperature and voltage monitoring system of lithium battery pack | |
| CN102097844A (en) | Intelligent battery management system | |
| CN105182862A (en) | Networked intelligent warehouse status detection control system | |
| CN103091633A (en) | Estimating device and method of lead-acid storage battery level | |
| CN204077403U (en) | A kind of vehicle mounted battery management system | |
| CN101779326A (en) | Battery or rechargeable-battery pack | |
| CN103118897B (en) | There is the storage battery of cell voltage and battery current acquiring unit and an only electromotive force disengagement gear | |
| CN201397383Y (en) | Electric automobile lithium ferric phosphate power cell detecting device | |
| CN101509941B (en) | Accumulator anti-theft device, method and accumulator theftproof system in communication network | |
| CN104022563B (en) | The double cell group commutation circuit of electric vehicle | |
| CN107978808A (en) | The vehicle lithium battery group reminded based on online failure | |
| CN103178305B (en) | Intelligent battery | |
| CN106207283A (en) | A kind of supervising device of vehicle-mounted multiple-connected battery group | |
| CN103368229B (en) | Ground electric vehicle battery diagnosis device and diagnostic method thereof | |
| CN105576765B (en) | A kind of voltage collection circuit of multiple batteries | |
| CN210123455U (en) | Battery voltage sampling circuit and battery management system | |
| CN218216729U (en) | Lithium battery management circuit | |
| CN202564498U (en) | Smart battery | |
| CN203406389U (en) | Battery pack parallel-connection control box of electric automobile | |
| CN115241950A (en) | Lithium battery management circuit based on MCU | |
| CN111823950A (en) | Battery management system and vehicle | |
| CN205292317U (en) | Batteries of electric vehicle supervisory control | |
| CN204679099U (en) | A kind of vehicle oil controlling/monitoring device | |
| CN106872902A (en) | The BMS and detection method of a kind of combination of network structure battery | |
| CN108808749A (en) | Battery management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180501 |